LeFnord/homebrew — comment on commit d7bfb04c5db37c1a43b606e944d1aab18b418d55
File:  line 0
By LeFnord:

without it gives an error, such as:
Error: undefined method `=~' for #
Please report this bug:
https://github.com/mxcl/homebrew/wiki/checklist-before-filing-a-new-issue
/usr/local/Library/Homebrew/formula.rb:351:in `factory'